The International Medieval Bibliography (IMB) is an interdisciplinary bibliography of the European Middle Ages, covering Europe, the Middle East and North Africa in the period 400-1500.

Indexing begins in 1967 and the database regularly covers some 4500 periodicals and 5000 miscellany volume (conference proceedings, essay collections, Festschriften and exhibition catalogues). All articles are classified with full bibliographical details and subject classifications and indexing familiar to medievalists.